Home / 134,245.57-185,287.07-85,155.44

Finding the Fourth Proportional to 134,245.57, 185,287.07 and 85,155.44

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Solution

The fourth proportional to 134,245.57, 185,287.07 and 85,155.44 is: 117,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,245.57 : 185,287.07 = 85,155.44 : x
  2. Step 2: Convert to fraction form
    134,245.57/185,287.07 = 85,155.44/x
  3. Step 3: Cross multiply
    134,245.57x = 185,287.07 × 85,155.44
  4. Step 4: Simplify right side
    134,245.57x = 15,778,201,258.61
  5. Step 5: Solve for x
    x = 15,778,201,258.61/134,245.57
  6. Step 6: Final answer
    x = 117,532.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.